ACS550-02/U2 User’s Manual
263
Fieldbus adapter
Status Word
As described earlier in section
Control interface
on page
252
, the contents of the
STATUS
WORD
is status information, sent by the drive to the master station. The
following table and the state diagram later in this sub-section describe the status
word content.
5
RAMP_HOLD
1
RFG
OUT
ENABLED
Enable ramp function.
Enter
RAMP
FUNCTION
GENERATOR
:
ACCELERATOR
ENABLED
0
RFG
OUT
HOLD
Halt ramping (Ramp Function Generator
output held)
6
RAMP_IN_
ZERO
1
RFG
INPUT
ENABLED
Normal operation. Enter
OPERATING
0
RFG
INPUT
ZERO
Force Ramp Function Generator input to
zero.
7
RESET
0=>1
RESET
Fault reset if an active fault exists (Enter
SWITCH
-
ON
INHIBITED
). Effective if 1604 =
COMM
.
0
OPERATING
Continue normal operation
8…9
Unused
10
REMOTE_CMD 1
Fieldbus control enabled
0
• CW 0 or Ref 0: Retain last CW and
Ref.
• CW = 0 and Ref = 0: Fieldbus control
enabled.
• Ref and deceleration/acceleration ramp
are locked.
11
EXT CTRL LOC 1
EXT
2
SELECT
Select external control location 2 (
EXT
2).
Effective if 1102 =
COMM
.
0
EXT
1
SELECT
Select external control location 1 (
EXT
1).
Effective if 1102 =
COMM
.
12…15 Unused
ABB Drives profile (FBA)
STATUS
WORD
Bit
Name
Value
Description
(Correspond to states/boxes in the state diagram)
0
RDY_ON
1
READY
TO
SWITCH
ON
0
NOT
READY
TO
SWITCH
ON
1
RDY_RUN
1
READY
TO
OPERATE
0
OFF
1
ACTIVE
2
RDY_REF
1
OPERATION
ENABLED
0
OPERATION
INHIBITED
3
TRIPPED
0…1
FAULT
0
No fault
ABB Drives profile (FBA)
CONTROL
WORD
Bit
Name
Value
Commanded state
Comments
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